SL1021A150CF [LITTELFUSE]

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型号：	SL1021A150CF
厂家：	LITTELFUSE
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Gas Discharge Tubes

High Performance Beta Range

RoHS

Greentube™ SL1021A Series Gas Plasma Arresters

The SL1021A series offers high levels of performance on fast ris-

ing transients in the domain of 100V/µS to 1KV/µS, which are

those most likely from induced Lightning disturbances. The

SL1021A series also features ultra low capacitance (typically 1pF

or less) and optimised internal geometry which provides low

insertion loss at high frequencies, so are ideal for the protection

of broadband equipment. These devices are extremely robust

and are able to divert a 10,000Amp pulse without destruction.

FEATURES

• RoHS compliant except ‘RS’ suffix

• Low insertion loss

• Excellent response to fast rising transients.

• Ultra low capacitance.

• 10KA surge capability tested with 8/20µs pulse as defined by

IEC 61000-4-5

• 20,000 A single shot surge capability tested with 8/20µs

pulse as defined by IEC 61000-4-5

• Available with thermal failsafe option

(add ‘F’ or ‘S’ suffix to part number)

• ROHS Compliant

Applications:

• Broadband equipment.

SL1021A xxxC

• ADSL equipment.

SL1021A xxxR

All dimensions in mm

• XDSL equipment.

• Satellite and CATV equipment.

• General telecom equipment.

ø8.0+_0.2

3 ELECTRODE GDT

a=TIP

b=RING

e=GROUND

(centre electrode)

ø1.0+_0.2

SL1021A xxxRF

SL1021A xxxRS

GRAPHICAL SYMBOL

ORDERING INFORMATION

SL 1021 A

Voltage

Mechanical Specifications:

Pin Configuration

C=Core

R=Leaded

Weight:

Materials:

2.7g (0.095 oz.)

Electrode Base: Nickel Iron Alloy

Electrode Plating: Bright Sn

Body: Ceramic

Failsafe Option

Device Marking: Littelfuse ‘LF’ marking, Voltage and

F=Plastic

S=Solder

date code.

335

www. lit t elf use. com

Gas Discharge Tubes

High Performance Beta Range

RoHS

Greentube™ SL1021A Series Gas Plasma Arresters

LITTELFUSE 3 TERMINAL ARRESTER SERIES

TOTALLY NON-RADIOACTIVE, UL RECOGNIZED

Max Single

Impulse

Discharge

Current

8/20µs⁵

(kA)

Max

Repetitive

Impulse

Max Single

Impulse

Discharge

Current

Breakover

Voltage

Max

Alternating

Discharge

Current^1,3

(A)

Single

Impulse

Discharge

Current⁸

(kA)

Dynamic

Breakover

Voltage @

100/µs (V)

DC Voltage

Discharge

Current

10/350µs⁵

(kA)

@ 100V/sec Min-Max

Life Test

Rating²

8/20µs^1,4(kA)

Part Number

SL1021A145

SL1021A150

SL1021A200⁶

SL1021A230

SL1021A250

SL1021A260⁷

SL1021A300

SL1021A350

SL1021A400

SL1021A420

SL1021A450

SL1021A500

SL1021A600

(V)

145

150

200

230

250

260

300

350

400

420

450

500

600

(V)

116-174

120-180

150-250

184-276

200-300

210-310

240-360

280-420

320-480

345-500

360-540

400-500

480-720

500

350

400

420

450

500

550

600

650

700

850

100 shots

2.5

(1) Total current through center (ground) electrode, both line electrodes pulsed simultaneously; half value through

each respective line terminal.

(2) 100 amps, 10/1000µS pulse (does not apply to SL1021A200)

(3) 10 shots, A.C. 60Hz, 1 sec duration.

(4) 10 shots, 8/20µS waveform

(5) either end (line) electrode to centre (ground) electrode

(6) Meets the requirements of BT Type 21A.

(7) Meets the requirements of BT Type 14A. Addition of ‘F’ (failsafe) option meets the requirements of BT type

number 14A/1.

Voltage vs Time Characteristic

Time vs. Current for Failsafe

Max dynamic breakover

voltage

Hold-over voltage

On-State voltage

Current

(A)

200

400

600

800

1000

1200

1 line to ground

both lines to ground

Time (ns)

336

www. lit t elf use. com

Gas Discharge Tubes

High Performance Beta Range

RoHS

Greentube™ SL1021A Series Gas Plasma Arresters

Profilefor reflow soldering

Profileforwave soldering

250

225

200

175

150

125

100

300

Solder

T₁max = 266C

Flow Area

T₁= 239C

200

Tm = 179^oC

ForcedCooling

Preheating

Area

100

150

200

250

300

350

400

450

500

Time in seconds

100

Time(seconds)

Notes:

T₁max

T₁

= MaximumTabTemperature = 266^oC

= FlowTempeartureof Solder = 239^oC

= Melting Pointof Solder = 179 C

Tamb

= 25 C

Maximum permissible rate of temperature change = ^o7C / sec

337

www. lit t elf use. com

Gas Discharge Tubes

High Performance Beta Range

RoHS

Greentube™ SL1021B Series Gas Plasma Arresters

The SL1021B series offers high levels of performance on fast ris-

ing transients in the domain of 100V/µS to 1KV/µS, which are

those most likely from induced Lightning disturbances. The

SL1021B series also features ultra low capacitance (typically 1pF

or less) and optimised internal geometry which provides low

insertion loss at high frequencies, so are ideal for the protection

of broadband equipment. These devices are extremely robust

and are able to divert a 20,000Amp pulse without destruction.

FEATURES

• RoHS compliant except ‘RS’ suffix

• Low insertion loss

• Excellent response to fast rising transients.

• Ultra low capacitance.

• 10KA surge capability tested with 8/20µS pulse as defined by

IEC 6100-4-5

• 20,000 A single shot surge capability tested with 8/20µs

pulse as defined by IEC 6100-4-5

• Available with thermal failsafe option (add ‘F’ or ‘S’ suffix to

part number)

Applications:

• Broadband equipment.

• ADSL equipment.

• XDSL equipment.

SL1021A xxxC

• Satellite and CATV equipment.

• General telecom equipment.

SL1021B xxxR

All dimensions in mm

ø8.0+_0.2

3 ELECTRODE GDT

a=TIP

b=RING

e=GROUND

(centre electrode)

ø1.0+_0.2

SL1021B xxxRF

SL1021B xxxRS

GRAPHICAL SYMBOL

ORDERING INFORMATION

SL 1021 B

Voltage

Mechanical Specifications:

Weight:

0.63g (0.022 oz.)

Materials:

Electrode Base: Nickel Iron Alloy

Electrode Plating: Bright Sn

Body: Ceramic

Pin Configuration

C=Coreꢀ

R=Leaded

Device Marking: Littelfuse ‘LF’ marking, Voltage and date

Failsafe Option

code. Blue.

F=Plasticꢀ

S=Solder

338

www. lit t elf use. com

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